public-inbox.git  about / heads / tags
an "archives first" approach to mailing lists
blob e37a05fd73a2cb01b015cf8b1c12c0a27a526d4e 2028 bytes (raw)
$ git show v1.4.0:t/qspawn.t	# shows this blob on the CLI

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
 
# Copyright (C) 2016-2020 all contributors <meta@public-inbox.org>
# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
use strict;
use Test::More;
use_ok 'PublicInbox::Qspawn';

{
	my $cmd = [qw(sh -c), 'echo >&2 err; echo out'];
	my $qsp = PublicInbox::Qspawn->new($cmd, {}, { 2 => 1 });
	my $res;
	$qsp->psgi_qx({}, undef, sub { $res = ${$_[0]} });
	is($res, "err\nout\n", 'captured stderr and stdout');

	$res = undef;
	$qsp = PublicInbox::Qspawn->new($cmd, {}, { 2 => \*STDOUT });
	$qsp->psgi_qx({}, undef, sub { $res = ${$_[0]} });
	is($res, "err\nout\n", 'captured stderr and stdout');
}

sub finish_err ($) {
	my ($qsp) = @_;
	$qsp->finish;
	$qsp->{err};
}

my $limiter = PublicInbox::Qspawn::Limiter->new(1);
{
	my $x = PublicInbox::Qspawn->new([qw(true)]);
	my $run = 0;
	$x->start($limiter, sub {
		my ($self) = @_;
		is(0, sysread($self->{rpipe}, my $buf, 1), 'read zero bytes');
		ok(!finish_err($self), 'no error on finish');
		$run = 1;
	});
	is($run, 1, 'callback ran alright');
}

{
	my $x = PublicInbox::Qspawn->new([qw(false)]);
	my $run = 0;
	$x->start($limiter, sub {
		my ($self) = @_;
		is(0, sysread($self->{rpipe}, my $buf, 1),
				'read zero bytes from false');
		ok(finish_err($self), 'error on finish');
		$run = 1;
	});
	is($run, 1, 'callback ran alright');
}

foreach my $cmd ([qw(sleep 1)], [qw(sh -c), 'sleep 1; false']) {
	my $s = PublicInbox::Qspawn->new($cmd);
	my @run;
	$s->start($limiter, sub {
		my ($self) = @_;
		push @run, 'sleep';
		is(0, sysread($self->{rpipe}, my $buf, 1), 'read zero bytes');
	});
	my $n = 0;
	my @t = map {
		my $i = $n++;
		my $x = PublicInbox::Qspawn->new([qw(true)]);
		$x->start($limiter, sub {
			my ($self) = @_;
			push @run, $i;
		});
		[$x, $i]
	} (0..2);

	if ($cmd->[-1] =~ /false\z/) {
		ok(finish_err($s), 'got error on false after sleep');
	} else {
		ok(!finish_err($s), 'no error on sleep');
	}
	ok(!finish_err($_->[0]), "true $_->[1] succeeded") foreach @t;
	is_deeply([qw(sleep 0 1 2)], \@run, 'ran in order');
}

done_testing();

1;

git clone https://public-inbox.org/public-inbox.git
git clone http://7fh6tueqddpjyxjmgtdiueylzoqt6pt7hec3pukyptlmohoowvhde4yd.onion/public-inbox.git